Question

Resolva (x + 3).(x -3)

Answer 1

Bom Dia !!!

$(x + 3).(x - 3)\\\\x^2 - 3x + 3x - 9 \\\\Resultado = {\boxed{\boxed{\boxed{\sf x^2 - 9 = 0 }}}}$

Espero ter ajudado :-)

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